2657 search results for "Ggplot2"

Trimming the Fat from glm() Models in R

May 30, 2014
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Trimming the Fat from glm() Models in R

One of the attractive aspects of logistic regression models (and linear models in general) is their compactness: the size of the model grows in the number of coefficients, not in the size of the training data. With R, though, glm models are not so concise; we noticed this to our dismay when we tried to Related posts:

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5th MilanoR meeting postponed to June 4

May 29, 2014
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5th MilanoR meeting postponed to June 4

Dear R users and enthusiasts, MilanoR staff announces the MilanoR meeting scheduled on Friday May 30 is postponed, due to a strike. The 5th MilanoR meeting will be on Wednesday 4 June, at 6 pm. The meeting will take place at: Fiori … Continue reading →

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Data visualisation challange at useR 2014 conference

May 27, 2014
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Data visualisation challange at useR 2014 conference

Familiar with R and DataVis? Take a try in PISA data visualisation contest for useR2014 participants. There are two contest tracks. In each you can win 700$. More information about the contest can be found here: http://www.oecd.org/pisa/pisaproducts/datavisualizationcontest.htm. The prizes are funded by The Organisation for Economic Co-operation and Development (OECD) and tracks are related to

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R gui Revisited

May 27, 2014
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A couple months ago I wrote about switching my class from using SPSS to one that uses R with a gui frontend (original post). Since the semester has wrapped up, below are my thoughts on how the course went with respect to the students using R. Things ...

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PERFORMANCE: captureOutput() is much faster than capture.output()

May 26, 2014
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PERFORMANCE: captureOutput() is much faster than capture.output()

The R function capture.output() can be used to “collect” the output of functions such as cat() and print() to strings. For example, > s <- capture.output({+ cat("Hello\nworld!\n")+ print(pi)+ })> s "Hello" "world!" " 3.141593" More precisely, it...

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R gui Revisited

May 26, 2014
By

A couple months ago I wrote about switching my class from using SPSS to one that uses R with a gui frontend (original post). Since the semester has wrapped up, below are my thoughts on how the course went with respect to the students using R. Things ...

Read more »

A Sequence of 9 Courses on Data Science Starts on Coursera on 2 June and 7 July 2014

May 26, 2014
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A Sequence of 9 Courses on Data Science Starts on Coursera on 2 June and 7 July 2014

A sequence of 9 courses on Data Science will start on Coursera on 2 June and 7 July 2014, to be lectured by(Associate/Assistant) Professors of Johns Hopkins University. The courses are designed for students to learn to become Data Scientists … Continue reading →

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A phylogenetic ordination in one line: magrittr Challenge!

May 23, 2014
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A phylogenetic ordination in one line: magrittr Challenge!

A picture suitable for a fancy pipe enthusiast My good friend Andrew recently posted this gist: It shows how to solve a simple programming exercise know as FizzBuzz in R, but also is clearly showing off his already amazing proficiency in the very new R package magrittr. Those are some piping hot coding skillz (or should...

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May 30: 5th MilanoR meeting

May 19, 2014
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May 30: 5th MilanoR meeting

(Leggi la pagina in italiano) Dear R users and enthusiasts, MilanoR staff is happy to announce the next MilanoR meeting. The next MilanoR meeting will be on Friday 30 May, at 6 pm. The meeting will take place at: Fiori … Continue reading →

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May 30: 5th MilanoR meeting

May 19, 2014
By
May 30: 5th MilanoR meeting

(Not English-speaking? Leggi la pagina in italiano) Dear R users and enthusiasts, MilanoR staff is happy to announce the next MilanoR meeting. The next MilanoR meeting will be on Friday 30 May, at 6 pm. The meeting will take place … Continue reading →

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